Quasars in Lightbulbs

This evening, a conversation amongst friends turned to the topic[1] of "How much power does a Quasar emit, in terms of light bulbs".

We looked up some statistics on the web[2] and came up with some interesting figures.

A quasar is said to produce the same amount of power as 10^12 suns.
Our sun produces 4 x 10^26 Watts of power.

Taking the average light bulb to be 60Watts, that means the sun produces the equivalent power of 6.67 x 10^24, 60W light bulbs.

Plugging that into the data above, we find that a quasar outputs the same amount of energy as 6.67x10^36, 60W light bulbs !

So there you have it -> A quasar outputs the same energy as 6.67x10^36, 60W light bulbs

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While most of us in this conversation were not astronomers or in related fields, two of the participants in this conversation were
astrophysicists. One of them did some number crunching with actual formulae and numbers of luminosity and frequency from the field and came up with a value of 2.7 x 10^34, 60W light bulbs. Close enough for back of the envelope calculations!
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[1] One person was going to be giving a talk on quasars to people from another discipline.
[2] Some of the data was sourced from Wikipedia or links from Wikipedia, use these numbers at your own risk. If you use these numbers to do anything important, you are insane.